Sand casting:We use soluble glass sand, resin sand and negative pressure casting process to produce stainless steel,carbon steel,alloy steel,bronze alloys,aluminum alloys, antiwear steel, ductile iron and other material casting parts,whose weights from 1.0kg to 3000kg.We also have the ability of mechanical properties test and non-destructive inspection. For example: Name: cast iron Material: QT-450,HT-200,cast steel etc Process: sand casting,shot blasted,heat-treatment,CNC machining,powder coated Application: engine parts,big machine parts etc. Name: copper casting parts Material: brass,cooper Process: sand casting,heat-treatment,CNC machined,sand blasted Application: pipe&fittings,hardwares